When connecting to the internet, a user observed that the bytes sent often match the bytes received, raising concerns about unauthorized use of their connection for sending emails. The installation of Norton AntiVirus revealed that it was scanning outgoing emails, suggesting that someone might be using their network for spamming. This situation is not uncommon, and there is a risk of being flagged as a spammer when sending legitimate emails. To mitigate this issue, setting up a router with a built-in firewall is recommended, as it can provide better security and reduce CPU resource usage compared to software firewalls. Additionally, users are advised to scan their systems for potential malware and consider reformatting their hard drives for a fresh start if security concerns persist. The discussion also highlights the importance of understanding the type of internet connection and service being used, as well as the potential risks of having one's computer compromised by hackers.
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